Finding the Fourth Proportional to 331,870.72, 497,805.06 and 82,552.72

Step by Step Solution

1. Step 1: Write the proportion equation
   331,870.72 : 497,805.06 = 82,552.72 : x
2. Step 2: Convert to fraction form
   331,870.72/497,805.06 = 82,552.72/x
3. Step 3: Cross multiply
   331,870.72x = 497,805.06 × 82,552.72
4. Step 4: Simplify right side
   331,870.72x = 41,095,161,732.76
5. Step 5: Solve for x
   x = 41,095,161,732.76/331,870.72
6. Step 6: Final answer
   x = 123,828.83